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西安斯瑞先进铜合金科技有限公司

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№ CN122938409AInvention
Unknown

一种高纯无氧铜水冷板的无钎料真空扩散焊连接方法

本发明公开了一种高纯无氧铜水冷板的无钎料真空扩散焊连接方法，包括：清洗水冷板主体、上盖板、下盖环，随后60‑80℃烘箱烘干，将上盖板、水冷板主体、下盖环进行装配构成水冷板体，在真空度≤1×10Pa下，对所述水冷板体进行两道真空扩散焊，得到高纯无氧铜水冷板；其中，第一道真空扩散焊为使用环形工装对水冷板体的上端边缘进行延迟‑阶段加压工艺；第二道真空扩散焊为使用平板工装对水冷板体的上端进行延迟‑阶段加压工艺。本发明解决了无氧铜水冷板在真空扩散焊高温高压工况下，精密水道易坍塌、变形的问题，同时避免出现扩散焊界面未焊合、孔洞、微裂纹等缺陷问题，使所焊接的无氧铜冷水板的变形可控且结合合格。

❖西安斯瑞先进铜合金科技有限公司刘锦慧; 赵子龙; 王卓; 张澳国Oct 20, 2026§ 1/7 ClaimsB23K 20/02 (2006.01), B23K 20/14 (2006.01)